diff options
| author | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
|---|---|---|
| committer | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
| commit | 8e4bff4cab0ddac6060645b0715210484d02ff40 (patch) | |
| tree | 3a5c3024371a04692a3a6d9974d001cdff8ebf84 /arch/x86/include/asm/irq.h | |
Diffstat (limited to 'arch/x86/include/asm/irq.h')
| -rw-r--r-- | arch/x86/include/asm/irq.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/arch/x86/include/asm/irq.h b/arch/x86/include/asm/irq.h new file mode 100644 index 00000000..57873beb --- /dev/null +++ b/arch/x86/include/asm/irq.h @@ -0,0 +1,49 @@ +#ifndef _ASM_X86_IRQ_H +#define _ASM_X86_IRQ_H +/* + * (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar + * + * IRQ/IPI changes taken from work by Thomas Radke + * <tomsoft@informatik.tu-chemnitz.de> + */ + +#include <asm/apicdef.h> +#include <asm/irq_vectors.h> + +static inline int irq_canonicalize(int irq) +{ + return ((irq == 2) ? 9 : irq); +} + +#ifdef CONFIG_X86_32 +extern void irq_ctx_init(int cpu); +#else +# define irq_ctx_init(cpu) do { } while (0) +#endif + +#define __ARCH_HAS_DO_SOFTIRQ + +#ifdef CONFIG_HOTPLUG_CPU +#include <linux/cpumask.h> +extern void fixup_irqs(void); +extern void irq_force_complete_move(int); +#endif + +extern void (*x86_platform_ipi_callback)(void); +extern void native_init_IRQ(void); +extern bool handle_irq(unsigned irq, struct pt_regs *regs); + +extern unsigned int do_IRQ(struct pt_regs *regs); + +/* Interrupt vector management */ +extern DECLARE_BITMAP(used_vectors, NR_VECTORS); +extern int vector_used_by_percpu_irq(unsigned int vector); + +extern void init_ISA_irqs(void); + +#ifdef CONFIG_X86_LOCAL_APIC +void arch_trigger_all_cpu_backtrace(void); +#define arch_trigger_all_cpu_backtrace arch_trigger_all_cpu_backtrace +#endif + +#endif /* _ASM_X86_IRQ_H */ |